Sectoral factsheets for climate change

United Nations 2 years ago

The world is warming faster than at any point in recorded history. This is radically changing the Earth’s climate and releasing a wave of extreme weather, including wildfires, hurricanes, floods and droughts. But humanity can still avoid the worst impacts of this climate crisis. To do that, the Earth’s temperature must be prevented from rising to more than 1.5 °C above pre-industrial levels. The only way to avoid catastrophic climate change is to rapidly slash our emissions of planet-warming greenhouse gases, including carbon dioxide. These emissions, which come largely from burning fossil fuels, have continued to rise in recent decades despite a raft of international accords, including the Paris Agreement. To keep the 1.5°C temperature target alive, the world needs to cut 2030 emissions by 42 per cent. This must be done in tandem with climate adaptation. National Adaptation Plans in particular, are crucial for ensuring climate resilience is built into each of the sectors. By 2025, every country must commit to new National Determined Contributions (NDCs), these NDCs must cover all emissions and sectors. Global ambition in the next round of NDCs must bring global greenhouse gas emissions in 2035 to levels consistent with the 1.5°C pathway. Explore these factsheets to learn how.
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layersDaily Sustainability Digest

Published about 5 hours ago



Climate damage and material waste are reshaping sustainable construction more forcefully than certification culture. The loss of 38 homes to wildfire in the Midlands has exposed the need for sustainable building design that treats fire resilience, flood resistance and passive survivability as core requirements. Shropshire fire crews’ warnings over escalating wildfire and flooding extremes underline a decisive shift for green construction: buildings must be designed for volatility, not historic weather patterns.

The UN’s warning that climate impacts could displace millions across South Asia raises direct implications for environmental sustainability in construction.

Large-scale migration would intensify pressure on housing delivery, infrastructure finance, sustainable urban development and supply chains for low carbon construction materials. Adaptation is now a construction pipeline issue, requiring life cycle thinking in construction, robust building lifecycle performance and a clearer link between resilience, life cycle cost and whole life carbon.

Materials innovation is moving towards the circular economy in construction. Plans for a wind turbine recycling facility at the Port of Inverness show renewable infrastructure confronting end-of-life reuse in construction. The sector’s claims on circular economy performance will increasingly depend on measurable circular construction strategies, resource efficiency in construction and sustainable material specification, not marketing language. Embodied carbon, embodied carbon in materials and the carbon footprint of construction must be assessed alongside operational energy if net zero carbon buildings and net zero whole life carbon targets are to be credible.

Research converting waste plastics, packaging and old CDs into polymer networks that harvest moisture from air points to future green building products and construction-adjacent materials for water-stressed regions. The science remains early stage, yet it supports the wider move towards low embodied carbon materials, renewable building materials where appropriate, and practical eco-design for buildings.

Laboratory findings showing duct tape outperforming sandbags as a flood defence reinforce a key lesson for sustainable architecture: resilience can come from inexpensive, rapidly deployable measures as well as major green infrastructure. The direction is clear. Sustainable construction is expanding beyond carbon accounting into whole life carbon assessment, lifecycle assessment, low carbon design, circular economy principles and climate practicality. The strongest projects will combine energy-efficient buildings, lower embodied carbon, carbon footprint reduction and durable adaptation to a harsher world.

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